Lectures - 2.1 Probabilities Events and Equally Likely Outcomes

Quiz 2.1 #1

Consider the experiment of flipping a coin twice.How many elements are in the event of “flipping at least one head?”(Hint: draw a tree diagram [1.4] and determine the sample space first, then determine which elements “qualify”)

A. 2

B. 3

C. 4

Quiz 2.1 #2

Consider the experiment of rolling two dice.What is the number of elements in the event “Difference between rolls is at least 3?”

A. 12

B. 14

C. 16

Quiz 2.1 #3

Let’s consider an experiment of drawing a card from a deck of cards.What’s the probability of drawing an Ace?